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Animal Size

Serra do Mar grass mouse size: How big do they get?

How big does a Serra do Mar grass mouse get? Here is an overview over the average adult age:

A grown Serra do Mar grass mouse (Akodon serrensis) reaches an average size of 9.6 cm (0′ 4″).

When born, they have an average size of 0 cm (0′ 0″). A full-grown exemplary reaches roughly 28 grams (0.06 lbs). The Serra do Mar grass mouse (genus: Akodon) is a member of the family Muridae.

As a reference: Humans reach an average body size of 1.65m (5′ 5″) while carrying 62 kg (137 lbs). A human woman is pregnant for 280 days (40 weeks) and on average become 75 years old.

The Serra do Mar grass mouse or Cerrado grass mouse (Akodon serrensis) is a rodent species from South America. It is found in Brazil.Pardiñas et al. (2016) transferred this species from the genus Akodon to the separate akodontine genus Castoria. The authors also considered A. serrensis to be likely junior synonym of the species Habrothrix angustidens Winge (1887), described on the basis of fossil (probably late Pleistocene) remains recovered from five cave deposits in the area of Lagoa Santa (Minas Gerais, Brazil), which is the type species of the genus Castoria.

Animals of the same family as a Serra do Mar grass mouse

We found other animals of the Muridae family:

Animals with the same size as a Serra do Mar grass mouse

Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Serra do Mar grass mouse:

Animals with the same weight as a Serra do Mar grass mouse

As a comparison, here are some other animals that weight as much as the Akodon serrensis: